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#ifndef __BUTTONS_H__
#define __BUTTONS_H__
#include "init.hpp"
// Init buttons used in conjuction with interrupts
// All buttons are connected to ground.
#define NUMBER_OF_BUTTONS 5
#define BUTTON_NONE 0
#define BUTTON_HOME 22
#define BUTTON_SELECT 18
#define BUTTON_MODE 19
#define BUTTON_DOWN 20
#define BUTTON_UP 21
struct global_status {
int current_app = 0;
bool is_sleeping = false;
bool app_ready = true;
bool app_switch_requested = false;
int app_switch_to_app = 0;
// Debounce control
// See https://www.raspberrypi.org/forums/viewtopic.php?f=145&t=301522#p1812063
// Time is currently shared between all buttons.
unsigned long button_last_pressed_time;
const int button_delay_time = 125;
};
struct user_settings {
unsigned char oled_contrast = OLED_DEFAULT_CONTRAST;
// In milliseconds
unsigned int sleep_delay = ENTER_SLEEP_DELAY;
// true: 24h, false: AM/PM
// TODO: Use an enum, but this would make programming the UI more complex.
bool time_format = true;
};
extern global_status g_s;
extern user_settings g_user;
void init_buttons();
void gpio_interrupt_cb(uint gpio, uint32_t events);
unsigned long time_since_button_press();
#endif
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